Reassemble PM1000 TPM1000 Series Koolair Pumps, How To

KoolAir Pumps Videos

How To Reassemble PM1000 / TPM1000 Koolair Marine HVAC Seawater Pumps

In today’s video we are here to talk about the Koolair how to reassemble PM1000 & TPM1000 series pumps and procedures. Applies to both PM1000-115 (115 Volt), PM1000-230 (230 Volt) and the TPM1000 dual 115/230 volt models.

Simple design easy to reassemble PM1000 TPM1000 series pumps. ETL Listed.

  • Remove 7 front housing screws
  • Pull apart the front cover from housing
  • Remove front casing O-Ring
  • Exposes drive shaft and thrust washer
  • Shaft and washer can be removed from front housing cover
  • Remove impeller
  • Extract front casing oring
  • Remove rear housing from body bracket.
  • Also, another washer between rear casing and bracket
  • 2 rubber grommets, will find them on the post or stuck on the back of rear housing
  • Leaves motor and magnet section still attached to the pump that will spin freely

Removable Parts

  • Front Housing Screws (7)
  • Front Housing Cover
  • Pump Shaft & Thrust Washer (Inside front housing) comes apart
  • Impeller (Magnetically coupled)
  • Rear Casing / Housing

There is a wet end kit available for the PM1000 Series, part number PM1000-WE